/*
 * #%L
 * GraphWalker Command Line Interface
 * %%
 * Copyright (C) 2005 - 2014 GraphWalker
 * %%
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * #L%
 */
package org.graphwalker;


import java.util.regex.Pattern;
import org.hamcrest.BaseMatcher;
import org.hamcrest.Description;

public class RegexMatcher extends BaseMatcher {

  private final String regex;

  public RegexMatcher(String regex) {
    this.regex = regex;
  }

  public boolean matches(Object o) {
    Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
    return pattern.matcher((String) o).find();
  }

  public void describeTo(Description description) {
    description.appendText("matches regex=");
  }

  public static RegexMatcher matches(String regex) {
    return new RegexMatcher(regex);
  }
}
